1. Or 12697 Reference (shelfmark): Or 12697 Title: [Hesap] - [حساب] Scope & Content: This volume contains a treatise on arithmetic without a title or the author's name provided. The manuscript is undated, but was likely copied in the early 19th century CE. Collection Area: Oriental Manuscripts Languages: Turkish, Ottoman Date Range: Early 19th century Extent: 1 text, 86 ff